Source code for taurus.core.util.console

#!/usr/bin/env python

#############################################################################
##
# This file is part of Taurus
##
# http://taurus-scada.org
##
# Copyright 2011 CELLS / ALBA Synchrotron, Bellaterra, Spain
##
# Taurus is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
##
# Taurus is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Lesser General Public License for more details.
##
# You should have received a copy of the GNU Lesser General Public License
# along with Taurus.  If not, see <http://www.gnu.org/licenses/>.
##
#############################################################################

"""This module contains ANSI color codes"""

from builtins import object

__all__ = ["make_color_table", "NoColors", "TermColors", "HTMLColors"]

__docformat__ = "restructuredtext"


[docs]def make_color_table(in_class, use_name=False, fake=False): """Build a set of color attributes in a class. Helper function for building the TermColors classes.""" color_templates = ( ("Black", "0;30"), ("Red", "0;31"), ("Green", "0;32"), ("Brown", "0;33"), ("Blue", "0;34"), ("Purple", "0;35"), ("Cyan", "0;36"), ("LightGray", "0;37"), ("DarkGray", "1;30"), ("LightRed", "1;31"), ("LightGreen", "1;32"), ("Yellow", "1;33"), ("LightBlue", "1;34"), ("LightPurple", "1;35"), ("LightCyan", "1;36"), ("White", "1;37"),) if fake: for name, value in color_templates: setattr(in_class, name, "") else: if use_name: for name, value in color_templates: setattr(in_class, name, in_class._base % name) else: for name, value in color_templates: setattr(in_class, name, in_class._base % value)
[docs]class NoColors(object): NoColor = '' # for color schemes in color-less terminals. Normal = '' # Reset normal coloring _base = '' # Template for all other colors
[docs]class TermColors(object): """Color escape sequences. This class defines the escape sequences for all the standard (ANSI?) colors in terminals. Also defines a NoColor escape which is just the null string, suitable for defining 'dummy' color schemes in terminals which get confused by color escapes. This class should be used as a mixin for building color schemes. Basicaly this class is just a copy of IPython.ColorANSI.TermColors class""" NoColor = '' # for color schemes in color-less terminals. Normal = '\033[0m' # Reset normal coloring _base = '\033[%sm' # Template for all other colors
[docs]class HTMLColors(object): NoColor = '' Normal = '</font>' _base = '<font color=%s>'
# Build the actual color table as a set of class attributes: make_color_table(NoColors, fake=True) make_color_table(TermColors) make_color_table(HTMLColors, True)